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:: Volume 10, Issue 1 (Int J Mol Cell Med (In Press) 2021) ::
Int J Mol Cell Med 2021, 10(1): 0-0 Back to browse issues page
Quercetin Synergistically Enhances the Anticancer Efficacy of Docetaxel through Induction of Apoptosis and Modulation of PI3K/AKT, MAPK/ERK, and JAK/STAT3 Signaling Pathways in MDA-MB-231 Breast Cancer Cell Line
Amir Safi1 , Esfandiar Heidarian 2, Reza Ahmadi1
1- Clinical Biochemistry Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran.
2- Clinical Biochemistry Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran. , heidarian_e@skums.ac.ir
Abstract:   (610 Views)
Docetaxel is widely used in the treatment of metastatic breast cancer. However, its effectiveness is limited due to chemoresistance and its undesirable side effects. The combination of chemotherapeutic agents and natural compounds is an effective strategy to overcome drug resistance and the ensuing inevitable toxicities. Quercetin is a natural flavonoid with strong antioxidant and anticancer activities. This study aimed to evaluate the cytotoxic and modulatory effects of combined docetaxel and quercetin on the MDA-MB-231 human breast cancer cell line. The cell viability was assessed by MTT assay. The induction of apoptosis was examined using flow cytometry. The role of p53 in the apoptotic process was evaluated via qRT-PCR. The levels of BAX, BCL2, ERK1/2, AKT, and STAT3 proteins were measured by Western blot analysis. The results showed that the single-agent treatment with docetaxel or quercetin leads to a decrease in the viability of the MDA-MB-231 cells at 48 h. Furthermore, the combination of docetaxel (7 nM) and quercetin (95 μM) displayed the greatest synergistic effects with a combination index value of 0.76 accompanied by up regulation of p53 and a significant increase in BAX level, as well as decreases in the levels of BCL2, pERK1/2, AKT, and STAT3 proteins (P < 0.05). The concomitant use of docetaxel and quercetin leads to the cell growth inhibition associated with the induction of apoptosis and inhibition of cell survival. Therefore, this study provides a promising therapeutic approach to enhance the efficacy of docetaxel in a less-toxic manner.
Keywords: Apoptosis, breast neoplasms, cell survival, combined modality therapy, docetaxel, quercetin
Full-Text [PDF 490 kb]   (200 Downloads)    
Type of Study: Original Article | Subject: Cancer
Received: 2020/11/6 | Accepted: 2021/01/21 | Published: 2021/01/21
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Safi A, Heidarian E, Ahmadi R. Quercetin Synergistically Enhances the Anticancer Efficacy of Docetaxel through Induction of Apoptosis and Modulation of PI3K/AKT, MAPK/ERK, and JAK/STAT3 Signaling Pathways in MDA-MB-231 Breast Cancer Cell Line. Int J Mol Cell Med. 2021; 10 (1)
URL: http://ijmcmed.org/article-1-1501-en.html


Volume 10, Issue 1 (Int J Mol Cell Med (In Press) 2021) Back to browse issues page
International Journal of Molecular and Cellular Medicine (IJMCM) International Journal of Molecular and Cellular Medicine (IJMCM)
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